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Description
Sbox HS-BT890 RedFrequency: 18 Hz 20 KHz Sensitivity: 1163dB Impedance: 32 Ohm Bluetooth frequency: 2400Hz 2483,5MHz Interface: Bluetooth 4. 1 Microphone: Yes Remote control: Yes Noise reduction: CVC 6. 0 Transmission distance: 10m Battery capacity: 250mAH Stand by time: 100hrs Talk time Play music: 3 5hrs Charging time: 2hrs Color: Red Material: Plastic
Frequency: 18 Hz - 20 KHz Sensitivity: 116±3dB Impedance: 32 Ohm Bluetooth frequency: 2400Hz - 2483,5MHz Interface: Bluetooth 4.1 Microphone: Yes Remote control: Yes Noise reduction: CVC 6.0 Transmission distance: 10m Battery capacity: 250mAH Stand-by time: 100hrs Talk time/Play music: 3-5hrs Charging time: 2hrs Color: Red Material: PlasticShipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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- We offer a 30-day return/exchange service after receiving.
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4.2 ★★★★★
Based on 177 reviews
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Product Reviews
★★★★★ 5
VERY EFFICIENT MATERIAL
Format: Paperback
It's the most efficient material to prepare the test.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2020
★★★★★ 5
All around helpful---worth the money!
Format: Paperback
This guide has been most helpful for all the folks I help prepare for the iTEP test! It gives insight into what each section of the test is looking for along with examples and great tips about actually TAKING the test. In the Writing and Speaking sections, it also gives sample scores and comments from the Master Grader which is very helpful too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 9, 2019
★★★★★ 5
Comprehensive, clear and coherent!
Format: Paperback
The iTEP Practice Guide combines a no-nonsense approach to the specific iTEP tests and at the same time offers exercises that task the student with what they need to know. Exercises not only serve the purpose of scoring well, but the overall approach is communicative competence. We use the text in our group and one-to-one classes with very positive--and lasting--results.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 23, 2019
★★★★★ 1
No recomiendo
Format: Paperback
Muy malo, no vine completo, además se demoró mucho más de lo que decía al momento de comprarlo. Solo aplazaban la fecha de entrega sin consultar cómo afectaba al cliente. Yo tuve que presentar el examen sin el libro, porque no llegó en la fecha que decía al comprarlo y después se cambió 3 veces la fecha, casi cumpliendo el mes.
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Reviewed in the United States on December 30, 2025
★★★★★ 5
VERY EFFICIENT MATERIAL
Format: Paperback
It's the most efficient material to prepare the test.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2020
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